Ballpoint/ballbearing pen



FIG. 1 is a front elevational view of ballpoint/ballbearing pen showingmy design;

FIG. 2 is a left side view thereof;

FIG. 3 is a top plan view thereof;

FIG. 4 is a rear elevational view thereof;

FIG. 5 is a right side view thereof;

FIG. 6 is a bottom plan view thereof;

FIG. 7 is a perspective view thereof; and,

FIG. 8 is an exploded perspective view thereof.

The ornamental design for a ballpoint/ballbearing pen, as shown anddescribed.